Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9d8c98212b7c955…

MALICIOUS

PDF

19.2 KB Created: 2021-05-19 07:37:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-24
MD5: b6a9c0ba94b1f6d0d00939d3530441ff SHA-1: ed2460c09ea5296d545dc952244e8c19b6de83b4 SHA-256: d9d8c98212b7c955c5303d4d36c59d6d41f626ca0a62bb037a442d44cec53348
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to malicious infrastructure, specifically designed to lure users with promises of free in-game currency or hacks. The heuristic firings confirm these links point to known malicious redirectors and are part of a game hack lure. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to a potentially malicious website, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 3

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/835599320/tiktok-free-view-iphone-join-game-hack In PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/google-play-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/coin-master-free-spins-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/rbx-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/free-roblox-animations_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/paypal-to-pubg-uc_GM1330123889.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/how-to-hack-pubg-mobile-uc-without-human-verification_GM1330123889.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/pubg-uc-earning-app-in-pakistan_GM1330123889.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/minecraft-app-store-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/coin-master-daily-gift-free-spins-and-coins-link-today_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/spin-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/coin-master-link-spin_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn4pasuruan.sch.id/__statics/gudangsoal/files/coin-master-32-android-mod-hack-apk-download_GM406889139.pdfIn PDF document text

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